Module org.scijava.ops.image

Package org.scijava.ops.image.filter.fft

Class FFTMethodsUtility

java.lang.Object

org.scijava.ops.image.filter.fft.FFTMethodsUtility

public final class FFTMethodsUtility
extends Object

Utility class that interacts with FFTMethods

Author:

Brian Northan

Method Summary

Modifier and Type	Method	Description
static void	dimensionsRealToComplex(boolean fast, Dimensions inputDimensions, long[] paddedDimensions, long[] fftDimensions)	Calculates padding size and complex FFT size for real to complex FFT
static Dimensions	getFFTDimensionsRealToComplex(boolean fast, Dimensions inputDimensions)	Calculates complex FFT size for real to complex FFT
static Dimensions	getPaddedInputDimensionsRealToComplex(boolean fast, Dimensions inputDimensions)	Calculates padding size size for real to complex FFT

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

dimensionsRealToComplex

public static void dimensionsRealToComplex(boolean fast,
                                           Dimensions inputDimensions,
                                           long[] paddedDimensions,
                                           long[] fftDimensions)

Calculates padding size and complex FFT size for real to complex FFT

Parameters:

fast - if true calculate size for fast FFT

inputDimensions - original real dimensions

paddedDimensions - padded real dimensions

fftDimensions - complex FFT dimensions

getPaddedInputDimensionsRealToComplex

public static Dimensions getPaddedInputDimensionsRealToComplex(boolean fast,
                                                               Dimensions inputDimensions)

Calculates padding size size for real to complex FFT

Parameters:

fast - if true calculate size for fast FFT

inputDimensions - original real dimensions

Returns:

padded real dimensions

getFFTDimensionsRealToComplex

public static Dimensions getFFTDimensionsRealToComplex(boolean fast,
                                                       Dimensions inputDimensions)

Calculates complex FFT size for real to complex FFT

Parameters:

fast - if true calculate size for fast FFT

inputDimensions - original real dimensions

Returns:

complex FFT dimensions